Frequently Asked Questions

What is SYNC?

How does the SmartStack™ quiz work?

Do I need a wearable device to use SYNC?

Can I retake the quiz or update my data?

Is my health data safe?

How is my health data used?

How does SYNC use AI?

Who can use SYNC?

When will I start to feel a difference?

Why should I choose SYNC over other supplement brands?

How personalized is SYNC really?

What if I don’t want to take the quiz?

What makes SYNC different from AG1, Care/Of, or others?

Is SYNC compliant with FDA regulations?

What technology does SYNC use?

Orders & Delivery

Where do you ship to?

How long does shipping take?

Is SYNC a subscription?

Can I pause, cancel, or skip my subscription?

Will I be reminded before my next order?

What if I don’t like it or want to stop?

What if my order is damaged or delayed?

Do you offer refunds or returns?

Why don’t you offer a money-back guarantee?

Diet & Medical

Are SYNC supplements safe with medication?

Can I take SYNC while pregnant or breastfeeding?

Are your products vegan, gluten-free, or allergen-friendly?

What if I have food allergies or intolerances?

Do you work with healthcare professionals?

I eat healthy already—do I need supplements?

How do I know the ingredients are safe for me?

What if I have a health condition or take medication?

Nutritional & Ingredients

What’s in my SYNC pack?

Where do your ingredients come from?

Are your vitamins synthetic or natural?

Are your ingredients bioavailable?

What’s the shelf life of your supplements?

How do I know which nutrients I actually need?

How are your supplements tested for quality?

What types of supplements does SYNC offer?

Does SYNC use eco-friendly packaging?

FDA Disclaimer & Contact

FDA Disclaimer

Still have a question?